Physemataspis Evitt and Tripp 1977 (trilobite)

Trilobita - Phacopida - Encrinuridae

Full reference: W. R. Evitt and R. P. Tripp. 1977. Silicified Middle Ordovician trilobites from the families Encrinuridae and Staurocephalidae. Palaeontographica Abteilung A 157:109-174

Parent taxon: Encrinurinae according to D. K. Moss and S. R. Westrop 2014

See also Evitt and Tripp 1977 and Sepkoski 2002

Sister taxa: Billevittia, Brianurus, Coronocephalus, Cromus, Encrinuraspis, Encrinuroides, Encrinurus, Erratencrinurus, Fragiscutum, Frammia, Frencrinuroides, Johntempleia, Kailia, Senticucullus, Walencrinuroides

Subtaxa: Physemataspis (Physemataspis) Physemataspis (Prophysemataspis) Physemataspis coopi Physemataspis insularis Physemataspis mirabilis Physemataspis tholus Physemataspis torulatus

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Type: Physemataspis coopi

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Ordovician of the United Kingdom (1 collection), United States (4: Virginia)

• Whiterockian of United States (3: New York, Vermont)

Total: 8 collections including 10 occurrences

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Specimen images are retrieved through the ePANDDA API.


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